“I’m a New Yorker; I’ve known Trump’s a bully for a long time,” he said. “This is not news to me or anyone else here, and I know how to take him on.”

He continued: “As president, I will take on the wealthy. I will take on the big corporations. I will not rest until this government serves working people. As mayor of the largest city in America, I’ve done just that.”

De Blasio, the 23rd candidate to announce he is seeking the Democratic nomination for president in 2020, also is scheduled to appear on ABC’s “Good Morning America” Thursday morning, the network reported.

The married father of two has a bachelor’s degree from New York University, where he majored in metropolitan studies, and a master’s degree in international affairs from Columbia University.